The invention discloses full-automatic paperboard stacking equipment. The full-automatic paperboard stacking equipment is characterized by comprising a paperboard machine, a laminating mechanism, a binding mechanism, a stacking mechanism and a conveying mechanism which are sequentially connected from back to front, wherein the laminating mechanism, the binding mechanism and the stacking mechanismare sequentially connected through a conveying line, the laminating mechanism comprises a laminating mechanical arm, a first positioning device and a first jacking device, the binding mechanism comprises a binding machine, a second positioning device and a lifting conveying device, the stacking mechanism comprises a second jacking device and a stacking mechanical arm, and the conveying mechanism comprises a pallet machine and a pallet conveying line. The invention further discloses a stacking method for the paperboard stacking equipment.